Given the research related to suicide, which patient should the EMT recognize as the highest risk for a suicidal action?

A) A 22-year-old male who has just broken up with his girlfriend of six months
B) An 18-year-old male who was just arrested for possession of marijuana
C) A 72-year-old widow who was just informed of a diagnosis of Alzheimer's disease
D) A 34-year-old male who has been in and out of prison and was just convicted of receiving stolen property

C) A 72-year-old widow who was just informed of a diagnosis of Alzheimer's disease